http://www.readingquest.org/home.html a website designed for social studies teachers who wish to more effectively engage their students with the content in their classes

http://worldhistoryforusall.sdsu.edu/

http://www.besthistorysites.net/

http://www.princeton.edu/~pressman/hiswebs.htm

http://historymatters.gmu.edu/browse/wwwhistory/

http://www.ourwhitehouse.org/greathisweb.html

http://www.smithsonianeducation.org/educators/index.html

http://www.digitalhistory.uh.edu/images.cfm

http://teachinghistory.org/digital-classroom

http://www.loc.gov/teachers/

http://www.timetoast.com/ create or view a timeline, great UDL tool

http://www.gilderlehrman.org/ The Institute has pioneered new models of history schools and programs, with proven success in improving academic achievement.